A stop watch has a circular dial into 60 divisions . The hand of the stopwatch makes one complete revolution in 1 min . What is the least count of the stopwatch?
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the least count of stopwatch=range of time/total divisions.
in the given condition ,range of time=1minute.
and total division=60.
so least count=1/60minute=1second.
in the given condition ,range of time=1minute.
and total division=60.
so least count=1/60minute=1second.
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